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| Laboratory Tips Safety proceedures, test reagents, drilling rubber stoppers, bending glass tubes, etc. Contributed to by chemists. |
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#1
 2001-02-20, 02:19
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bsr 
Regular
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ephedrine
Do you have to use the distiled water for the e after you evaporate the heet?Does it have to be distiled if yes
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#2
 2001-02-21, 21:32
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madchemist 
Regular
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Re: ephedrine
I dont know too much about ephedrine, but I would say use it anyway. Always use dH2O. Esp. since the chlorine will attack amine functions.
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#3
 2001-02-22, 02:35
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acidmelt 
Regular
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Re: ephedrine
yes it absolutely HAS to be distilled H20. use distilled H20 for anything that calls for water in a meth synth or extraction process.
------------------ one line you sniff, two you snaff, on the third you snuff. 'nuff said
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#4
 2001-02-23, 20:54
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stoney665 
Regular
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Re: ephedrine
does it matter if you use water or heet?
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#5
 2001-03-30, 07:06
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slpwlkr333 
Regular
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Re: ephedrine
haahaahahaa i musta missed this water or HEET? how much methanol do you normally have in your water stoney? haahaa. stoney do you have any idea what you are talking about?
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#6
 2001-04-04, 01:21
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acidmelt 
Regular
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Re: ephedrine
you want to use both. i would suggest doing a few extracts with methanol first, filter and evap. then mix with a little distilled water, and set in the freezer for about 45 min. take out of the freezer and pour directly into the filter. it will take a little while to filter because it will be partly frozen. after its goes through the filter, the water/Pfed should be clear. if not, put through a few more filters and evap. as long as you dont live in Oz this should be a good enough method to get some pretty clean Pfed.
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